Answer:
15.05
Step-by-step explanation:
Also, you don't need to add the zeros, they don't mean anything.
22.4 is the correct ansewer try it on a calculater
Answer:
x=-8
Step-by-step explanation:
the equation is in standard form of y=ax^2+bx+c
so, to find the vertex, or axis of symmetry do -b/2a.
-16/2(1)=
-8